Tsubaki had sex with her husband for the first time in a while. She wanted to do it again, but her husband was too tired to continue. The next day, Tsubaki went to wake up her son. As her son rolled over, she saw his grown crotch and swallowed hard. That night, while her son was taking a bath, Tsubaki smelled her son's underwear. She masturbated, fantasizing about being penetrated by her son's erection. One day, Tsubaki was caught masturbating in the kitchen by her son. Her son was erect. Tsubaki reached out to touch his penis…
